package org.apache.maven.repository.legacy.metadata;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import java.util.List;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.versioning.ArtifactVersion;

/**
 * Provides some metadata operations, like querying the remote repository for a list of versions
 * available for an artifact.
 *
 * @author <a href="mailto:jason@maven.org">Jason van Zyl </a>
 */
public interface ArtifactMetadataSource {

  ResolutionGroup retrieve(MetadataResolutionRequest request) throws ArtifactMetadataRetrievalException;

  ResolutionGroup retrieve(Artifact artifact, ArtifactRepository localRepository,
      List<ArtifactRepository> remoteRepositories) throws ArtifactMetadataRetrievalException;

  /**
   * Get a list of available versions for an artifact in the remote repository
   *
   * @param artifact artifact we are interested in. Only <code>groupid</code> and
   *        <code>artifactId</code> are needed, for instance the following code will work
   *        <code>artifactFactory.createProjectArtifact( "org.apache.maven", "maven", "" )</code>
   * @param localRepository local repository
   * @param remoteRepositories remote repositories, {@link List} $lt; {@link ArtifactRepository} >
   * @return {@link List} $lt; {@link ArtifactVersion} >
   * @throws ArtifactMetadataRetrievalException in case of error while retrieving repository
   *         metadata from the repository.
   */
  List<ArtifactVersion> retrieveAvailableVersions(Artifact artifact, ArtifactRepository localRepository,
      List<ArtifactRepository> remoteRepositories) throws ArtifactMetadataRetrievalException;

  /**
   * Get a list of available versions for an artifact in the remote deployment repository. This
   * ignores any update policy checks and mirrors and always retrieves the latest information from
   * the given repository.
   *
   * @param artifact artifact we are interested in. Only <code>groupid</code> and
   *        <code>artifactId</code> are needed, for instance the following code will work
   *        <code>artifactFactory.createProjectArtifact( "org.apache.maven", "maven", "" )</code>
   * @param localRepository local repository
   * @param remoteRepository remote repository
   * @return {@link List} $lt; {@link ArtifactVersion} >
   * @throws ArtifactMetadataRetrievalException in case of error while retrieving repository
   *         metadata from the repository.
   */
  List<ArtifactVersion> retrieveAvailableVersionsFromDeploymentRepository(Artifact artifact,
      ArtifactRepository localRepository, ArtifactRepository remoteRepository)
      throws ArtifactMetadataRetrievalException;

}